Ruaidri mac Flaithbertach

Ruaidri mac Flaithbertach (1032-23 November 1067), known as Rory McLafferty in English, was the spymaster of Tyrconnell under Einri of Tir Chonaill from 1066 to 1067.

Biography
Ruaidri mac Flaithbertach was born in Tyrconnell (now a part of County Donegal, Ireland) in 1032. Known as "Rory McLafferty" in English, McLafferty served as the spymaster for the future King Einri of Eire during his reign as Earl of Tir Chonaill from 1066 to 1067. McLafferty died after a period of illness on 23 November 1067 at the age of 35.